./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label14_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_775086bc-b3c6-4ff1-b8c3-6216cc275488/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_775086bc-b3c6-4ff1-b8c3-6216cc275488/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_775086bc-b3c6-4ff1-b8c3-6216cc275488/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_775086bc-b3c6-4ff1-b8c3-6216cc275488/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label14_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_775086bc-b3c6-4ff1-b8c3-6216cc275488/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_775086bc-b3c6-4ff1-b8c3-6216cc275488/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bf623cbfa27d5f25c20ae418fc6508fd949965cd .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:22:01,612 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:22:01,613 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:22:01,620 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:22:01,620 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:22:01,621 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:22:01,621 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:22:01,622 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:22:01,623 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:22:01,624 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:22:01,625 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:22:01,625 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:22:01,625 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:22:01,626 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:22:01,627 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:22:01,627 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:22:01,627 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:22:01,629 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:22:01,630 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:22:01,631 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:22:01,632 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:22:01,632 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:22:01,634 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:22:01,634 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:22:01,634 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:22:01,635 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:22:01,635 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:22:01,636 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:22:01,636 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:22:01,637 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:22:01,637 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:22:01,638 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:22:01,638 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:22:01,638 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:22:01,639 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:22:01,639 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:22:01,639 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_775086bc-b3c6-4ff1-b8c3-6216cc275488/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 11:22:01,647 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:22:01,647 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:22:01,648 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:22:01,648 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:22:01,648 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:22:01,648 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:22:01,648 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:22:01,649 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:22:01,649 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:22:01,649 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:22:01,649 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:22:01,649 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:22:01,649 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:22:01,649 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:22:01,649 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:22:01,650 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:22:01,650 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:22:01,650 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:22:01,650 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 11:22:01,650 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 11:22:01,650 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:22:01,650 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:22:01,651 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 11:22:01,651 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:22:01,651 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:22:01,651 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:22:01,651 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 11:22:01,651 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:22:01,651 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:22:01,651 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_775086bc-b3c6-4ff1-b8c3-6216cc275488/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf623cbfa27d5f25c20ae418fc6508fd949965cd [2018-11-18 11:22:01,677 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:22:01,686 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:22:01,689 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:22:01,690 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:22:01,690 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:22:01,691 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_775086bc-b3c6-4ff1-b8c3-6216cc275488/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label14_true-unreach-call_false-termination.c [2018-11-18 11:22:01,735 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_775086bc-b3c6-4ff1-b8c3-6216cc275488/bin-2019/ukojak/data/24446490d/add2465a3e6441c5bd6f252be198e669/FLAG2876af0bd [2018-11-18 11:22:02,200 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:22:02,200 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_775086bc-b3c6-4ff1-b8c3-6216cc275488/sv-benchmarks/c/eca-rers2012/Problem02_label14_true-unreach-call_false-termination.c [2018-11-18 11:22:02,209 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_775086bc-b3c6-4ff1-b8c3-6216cc275488/bin-2019/ukojak/data/24446490d/add2465a3e6441c5bd6f252be198e669/FLAG2876af0bd [2018-11-18 11:22:02,709 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_775086bc-b3c6-4ff1-b8c3-6216cc275488/bin-2019/ukojak/data/24446490d/add2465a3e6441c5bd6f252be198e669 [2018-11-18 11:22:02,712 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:22:02,713 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:22:02,714 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:22:02,714 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:22:02,716 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:22:02,716 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:22:02" (1/1) ... [2018-11-18 11:22:02,718 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cfef79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:02, skipping insertion in model container [2018-11-18 11:22:02,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:22:02" (1/1) ... [2018-11-18 11:22:02,723 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:22:02,757 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:22:02,995 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:22:02,998 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:22:03,063 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:22:03,073 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:22:03,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:03 WrapperNode [2018-11-18 11:22:03,073 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:22:03,074 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:22:03,074 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:22:03,074 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:22:03,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:03" (1/1) ... [2018-11-18 11:22:03,136 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:03" (1/1) ... [2018-11-18 11:22:03,172 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:22:03,172 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:22:03,172 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:22:03,172 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:22:03,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:03" (1/1) ... [2018-11-18 11:22:03,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:03" (1/1) ... [2018-11-18 11:22:03,183 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:03" (1/1) ... [2018-11-18 11:22:03,183 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:03" (1/1) ... [2018-11-18 11:22:03,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:03" (1/1) ... [2018-11-18 11:22:03,206 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:03" (1/1) ... [2018-11-18 11:22:03,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:03" (1/1) ... [2018-11-18 11:22:03,213 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:22:03,213 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:22:03,213 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:22:03,213 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:22:03,214 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_775086bc-b3c6-4ff1-b8c3-6216cc275488/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 11:22:03,262 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 11:22:03,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:22:03,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:22:04,545 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:22:04,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:22:04 BoogieIcfgContainer [2018-11-18 11:22:04,546 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:22:04,546 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 11:22:04,546 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 11:22:04,553 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 11:22:04,553 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:22:04" (1/1) ... [2018-11-18 11:22:04,562 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:22:04,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:04,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2018-11-18 11:22:04,588 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2018-11-18 11:22:04,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-18 11:22:04,592 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:04,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:04,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:22:05,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:05,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 165 states and 243 transitions. [2018-11-18 11:22:05,212 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 243 transitions. [2018-11-18 11:22:05,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 11:22:05,215 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:05,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:05,282 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 11:22:05,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:05,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 166 states and 244 transitions. [2018-11-18 11:22:05,415 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 244 transitions. [2018-11-18 11:22:05,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-18 11:22:05,417 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:05,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:05,488 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:22:05,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:05,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 184 states and 271 transitions. [2018-11-18 11:22:05,615 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 271 transitions. [2018-11-18 11:22:05,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 11:22:05,617 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:05,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:05,666 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:22:05,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:05,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 206 states and 297 transitions. [2018-11-18 11:22:05,851 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 297 transitions. [2018-11-18 11:22:05,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-18 11:22:05,855 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:05,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:05,915 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:22:06,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:06,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 225 states and 325 transitions. [2018-11-18 11:22:06,219 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 325 transitions. [2018-11-18 11:22:06,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 11:22:06,220 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:06,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:06,250 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:22:06,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:06,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 230 states and 331 transitions. [2018-11-18 11:22:06,403 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 331 transitions. [2018-11-18 11:22:06,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 11:22:06,404 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:06,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:06,431 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:22:06,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:06,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 234 states and 335 transitions. [2018-11-18 11:22:06,480 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 335 transitions. [2018-11-18 11:22:06,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 11:22:06,481 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:06,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:06,510 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 11:22:06,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:06,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 235 states and 337 transitions. [2018-11-18 11:22:06,607 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 337 transitions. [2018-11-18 11:22:06,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 11:22:06,608 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:06,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:06,631 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 11:22:06,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:06,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 253 states and 356 transitions. [2018-11-18 11:22:06,910 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 356 transitions. [2018-11-18 11:22:06,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 11:22:06,911 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:06,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:06,939 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 11:22:07,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:07,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 258 states and 362 transitions. [2018-11-18 11:22:07,120 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 362 transitions. [2018-11-18 11:22:07,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 11:22:07,121 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:07,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:07,234 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:22:07,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:07,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 338 states and 446 transitions. [2018-11-18 11:22:07,571 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 446 transitions. [2018-11-18 11:22:07,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-18 11:22:07,572 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:07,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:07,653 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:22:08,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:08,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 369 states and 485 transitions. [2018-11-18 11:22:08,080 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 485 transitions. [2018-11-18 11:22:08,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-18 11:22:08,081 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:08,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:08,108 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:22:08,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:08,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 386 states and 506 transitions. [2018-11-18 11:22:08,323 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 506 transitions. [2018-11-18 11:22:08,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-18 11:22:08,324 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:08,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:08,351 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:22:08,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:08,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 388 states and 507 transitions. [2018-11-18 11:22:08,466 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 507 transitions. [2018-11-18 11:22:08,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-18 11:22:08,467 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:08,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:08,546 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:22:09,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:09,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 419 states and 543 transitions. [2018-11-18 11:22:09,672 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 543 transitions. [2018-11-18 11:22:09,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-18 11:22:09,673 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:09,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:09,732 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:22:09,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:09,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 423 states and 547 transitions. [2018-11-18 11:22:09,863 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 547 transitions. [2018-11-18 11:22:09,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-18 11:22:09,864 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:09,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:09,886 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:22:09,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:09,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 436 states and 561 transitions. [2018-11-18 11:22:09,960 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 561 transitions. [2018-11-18 11:22:09,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-18 11:22:09,961 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:09,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:09,987 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:22:10,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:10,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 455 states and 583 transitions. [2018-11-18 11:22:10,171 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 583 transitions. [2018-11-18 11:22:10,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-18 11:22:10,172 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:10,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:10,198 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 11:22:10,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:10,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 459 states and 586 transitions. [2018-11-18 11:22:10,266 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 586 transitions. [2018-11-18 11:22:10,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 11:22:10,267 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:10,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:10,299 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 11:22:10,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:10,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 464 states and 590 transitions. [2018-11-18 11:22:10,337 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 590 transitions. [2018-11-18 11:22:10,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 11:22:10,338 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:10,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:10,423 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 11:22:10,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:10,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 466 states and 593 transitions. [2018-11-18 11:22:10,620 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 593 transitions. [2018-11-18 11:22:10,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-18 11:22:10,621 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:10,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:10,744 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 11:22:11,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:11,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 480 states and 608 transitions. [2018-11-18 11:22:11,255 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 608 transitions. [2018-11-18 11:22:11,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 11:22:11,255 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:11,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:11,290 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:22:11,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:11,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 485 states and 614 transitions. [2018-11-18 11:22:11,471 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 614 transitions. [2018-11-18 11:22:11,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 11:22:11,472 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:11,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:11,710 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 80 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 11:22:12,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:12,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 527 states and 667 transitions. [2018-11-18 11:22:12,841 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 667 transitions. [2018-11-18 11:22:12,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-18 11:22:12,842 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:12,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:12,872 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:22:12,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:12,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 548 states and 688 transitions. [2018-11-18 11:22:12,937 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 688 transitions. [2018-11-18 11:22:12,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 11:22:12,938 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:12,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:12,968 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 11:22:13,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:13,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 553 states and 693 transitions. [2018-11-18 11:22:13,100 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 693 transitions. [2018-11-18 11:22:13,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 11:22:13,101 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:13,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:13,143 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 11:22:13,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:13,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 554 states and 694 transitions. [2018-11-18 11:22:13,155 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 694 transitions. [2018-11-18 11:22:13,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 11:22:13,156 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:13,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:13,566 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:22:14,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:14,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 613 states and 759 transitions. [2018-11-18 11:22:14,995 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 759 transitions. [2018-11-18 11:22:14,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 11:22:14,996 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:15,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:15,047 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 11:22:15,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:15,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 632 states and 781 transitions. [2018-11-18 11:22:15,491 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 781 transitions. [2018-11-18 11:22:15,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 11:22:15,492 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:15,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:15,545 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 11:22:15,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:15,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 633 states and 783 transitions. [2018-11-18 11:22:15,576 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 783 transitions. [2018-11-18 11:22:15,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 11:22:15,577 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:15,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:15,819 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:22:18,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:18,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 702 states and 866 transitions. [2018-11-18 11:22:18,515 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 866 transitions. [2018-11-18 11:22:18,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 11:22:18,516 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:18,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:18,555 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:22:18,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:18,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 706 states and 870 transitions. [2018-11-18 11:22:18,766 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 870 transitions. [2018-11-18 11:22:18,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-18 11:22:18,767 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:18,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:18,790 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 11:22:18,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:18,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 723 states and 887 transitions. [2018-11-18 11:22:18,846 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 887 transitions. [2018-11-18 11:22:18,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-18 11:22:18,847 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:18,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:19,061 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:22:20,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:20,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 770 states and 936 transitions. [2018-11-18 11:22:20,954 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 936 transitions. [2018-11-18 11:22:20,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 11:22:20,955 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:20,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:20,997 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:22:21,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:21,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 782 states and 948 transitions. [2018-11-18 11:22:21,250 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 948 transitions. [2018-11-18 11:22:21,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 11:22:21,251 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:21,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:21,321 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:22:21,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:21,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 786 states and 952 transitions. [2018-11-18 11:22:21,534 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 952 transitions. [2018-11-18 11:22:21,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-18 11:22:21,535 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:21,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:21,581 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-18 11:22:21,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:21,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 788 states and 953 transitions. [2018-11-18 11:22:21,681 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 953 transitions. [2018-11-18 11:22:21,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-18 11:22:21,682 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:21,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:21,801 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 11:22:21,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:21,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 790 states and 955 transitions. [2018-11-18 11:22:21,995 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 955 transitions. [2018-11-18 11:22:21,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-18 11:22:21,996 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:22,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:22,026 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 11:22:22,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:22,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 794 states and 962 transitions. [2018-11-18 11:22:22,259 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 962 transitions. [2018-11-18 11:22:22,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-18 11:22:22,259 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:22,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:22,308 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 11:22:23,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:23,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 821 states and 991 transitions. [2018-11-18 11:22:23,366 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 991 transitions. [2018-11-18 11:22:23,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-18 11:22:23,367 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:23,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:23,430 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-11-18 11:22:23,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:23,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 823 states and 993 transitions. [2018-11-18 11:22:23,570 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 993 transitions. [2018-11-18 11:22:23,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-18 11:22:23,571 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:23,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:23,642 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 11:22:24,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:24,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 835 states and 1010 transitions. [2018-11-18 11:22:24,280 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1010 transitions. [2018-11-18 11:22:24,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-18 11:22:24,281 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:24,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:24,312 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 11:22:24,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:24,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 839 states and 1015 transitions. [2018-11-18 11:22:24,418 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 1015 transitions. [2018-11-18 11:22:24,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-18 11:22:24,419 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:24,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:24,802 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 159 proven. 11 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 11:22:26,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:26,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 859 states and 1040 transitions. [2018-11-18 11:22:26,428 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1040 transitions. [2018-11-18 11:22:26,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-18 11:22:26,428 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:26,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:26,459 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 11:22:26,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:26,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 861 states and 1041 transitions. [2018-11-18 11:22:26,716 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1041 transitions. [2018-11-18 11:22:26,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-18 11:22:26,717 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:26,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:26,762 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 11:22:27,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:27,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 941 states and 1134 transitions. [2018-11-18 11:22:27,291 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1134 transitions. [2018-11-18 11:22:27,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 11:22:27,292 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:27,371 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 9 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-18 11:22:27,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:27,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 951 states and 1145 transitions. [2018-11-18 11:22:27,726 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1145 transitions. [2018-11-18 11:22:27,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 11:22:27,727 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:27,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:27,798 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 9 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-18 11:22:27,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:27,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 952 states and 1145 transitions. [2018-11-18 11:22:27,971 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1145 transitions. [2018-11-18 11:22:27,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-11-18 11:22:27,972 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:27,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:28,178 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 235 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 11:22:28,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:28,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1202 states to 1005 states and 1202 transitions. [2018-11-18 11:22:28,731 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1202 transitions. [2018-11-18 11:22:28,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-11-18 11:22:28,733 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:28,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:28,808 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-11-18 11:22:29,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:29,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1233 states to 1035 states and 1233 transitions. [2018-11-18 11:22:29,468 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1233 transitions. [2018-11-18 11:22:29,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-11-18 11:22:29,469 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:29,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:29,556 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-11-18 11:22:30,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:30,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1258 states to 1060 states and 1258 transitions. [2018-11-18 11:22:30,914 INFO L276 IsEmpty]: Start isEmpty. Operand 1060 states and 1258 transitions. [2018-11-18 11:22:30,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-18 11:22:30,916 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:30,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:31,039 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-18 11:22:31,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:31,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 1085 states and 1282 transitions. [2018-11-18 11:22:31,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1282 transitions. [2018-11-18 11:22:31,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-18 11:22:31,302 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:31,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:31,355 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-18 11:22:32,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:32,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1117 states and 1314 transitions. [2018-11-18 11:22:32,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 1314 transitions. [2018-11-18 11:22:32,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-11-18 11:22:32,579 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:32,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:32,610 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-11-18 11:22:32,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:32,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1315 states to 1119 states and 1315 transitions. [2018-11-18 11:22:32,709 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 1315 transitions. [2018-11-18 11:22:32,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-11-18 11:22:32,710 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:32,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:32,747 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-18 11:22:32,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:32,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1125 states and 1320 transitions. [2018-11-18 11:22:32,784 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 1320 transitions. [2018-11-18 11:22:32,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-11-18 11:22:32,785 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:32,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:32,815 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-11-18 11:22:33,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:33,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 1130 states and 1325 transitions. [2018-11-18 11:22:33,019 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 1325 transitions. [2018-11-18 11:22:33,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-11-18 11:22:33,020 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:33,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:33,080 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-11-18 11:22:33,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:33,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1155 states and 1350 transitions. [2018-11-18 11:22:33,587 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 1350 transitions. [2018-11-18 11:22:33,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-18 11:22:33,588 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:33,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:33,766 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 294 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 11:22:34,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:34,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1389 states to 1190 states and 1389 transitions. [2018-11-18 11:22:34,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1389 transitions. [2018-11-18 11:22:34,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-18 11:22:34,489 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:34,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:34,530 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 294 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 11:22:34,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:34,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1390 states to 1192 states and 1390 transitions. [2018-11-18 11:22:34,675 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1390 transitions. [2018-11-18 11:22:34,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-11-18 11:22:34,676 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:34,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:34,747 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 195 proven. 1 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-18 11:22:35,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:35,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 1216 states and 1418 transitions. [2018-11-18 11:22:35,423 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 1418 transitions. [2018-11-18 11:22:35,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-11-18 11:22:35,424 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:35,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:35,456 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 283 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-11-18 11:22:35,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:35,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 1220 states and 1424 transitions. [2018-11-18 11:22:35,568 INFO L276 IsEmpty]: Start isEmpty. Operand 1220 states and 1424 transitions. [2018-11-18 11:22:35,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-11-18 11:22:35,570 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:35,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:35,662 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 217 proven. 17 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-18 11:22:36,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:36,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1254 states and 1464 transitions. [2018-11-18 11:22:36,427 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1464 transitions. [2018-11-18 11:22:36,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2018-11-18 11:22:36,428 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:36,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:36,489 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 217 proven. 17 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-18 11:22:36,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:36,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1474 states to 1265 states and 1474 transitions. [2018-11-18 11:22:36,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1265 states and 1474 transitions. [2018-11-18 11:22:36,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-11-18 11:22:36,984 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:36,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:37,052 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-11-18 11:22:37,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:37,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1486 states to 1277 states and 1486 transitions. [2018-11-18 11:22:37,151 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1486 transitions. [2018-11-18 11:22:37,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-11-18 11:22:37,153 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:37,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:37,202 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-11-18 11:22:37,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:37,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 1284 states and 1492 transitions. [2018-11-18 11:22:37,451 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 1492 transitions. [2018-11-18 11:22:37,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-11-18 11:22:37,452 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:37,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:37,535 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2018-11-18 11:22:37,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:37,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 1289 states and 1497 transitions. [2018-11-18 11:22:37,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1497 transitions. [2018-11-18 11:22:37,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-11-18 11:22:37,924 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:37,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:37,977 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-11-18 11:22:38,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:38,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1499 states to 1290 states and 1499 transitions. [2018-11-18 11:22:38,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1290 states and 1499 transitions. [2018-11-18 11:22:38,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-11-18 11:22:38,002 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:38,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:38,059 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-11-18 11:22:38,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:38,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1499 states to 1291 states and 1499 transitions. [2018-11-18 11:22:38,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1291 states and 1499 transitions. [2018-11-18 11:22:38,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-11-18 11:22:38,243 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:38,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:38,278 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-18 11:22:38,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:38,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1535 states to 1322 states and 1535 transitions. [2018-11-18 11:22:38,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1322 states and 1535 transitions. [2018-11-18 11:22:38,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-11-18 11:22:38,627 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:38,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:38,681 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-11-18 11:22:38,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:38,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1535 states to 1323 states and 1535 transitions. [2018-11-18 11:22:38,858 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1535 transitions. [2018-11-18 11:22:38,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-11-18 11:22:38,859 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:38,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:38,893 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-18 11:22:39,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:39,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1541 states to 1330 states and 1541 transitions. [2018-11-18 11:22:39,120 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 1541 transitions. [2018-11-18 11:22:39,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-11-18 11:22:39,121 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:39,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:39,177 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-18 11:22:40,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:40,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1577 states to 1362 states and 1577 transitions. [2018-11-18 11:22:40,431 INFO L276 IsEmpty]: Start isEmpty. Operand 1362 states and 1577 transitions. [2018-11-18 11:22:40,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-11-18 11:22:40,432 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:40,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:40,466 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-18 11:22:40,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:40,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 1364 states and 1580 transitions. [2018-11-18 11:22:40,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 1580 transitions. [2018-11-18 11:22:40,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-11-18 11:22:40,490 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:40,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:40,540 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-18 11:22:40,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:40,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1598 states to 1382 states and 1598 transitions. [2018-11-18 11:22:40,932 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 1598 transitions. [2018-11-18 11:22:40,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-11-18 11:22:40,933 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:40,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:40,968 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-18 11:22:41,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:41,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1617 states to 1400 states and 1617 transitions. [2018-11-18 11:22:41,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1400 states and 1617 transitions. [2018-11-18 11:22:41,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-11-18 11:22:41,641 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:41,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:41,704 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-11-18 11:22:42,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:42,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1631 states to 1414 states and 1631 transitions. [2018-11-18 11:22:42,087 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 1631 transitions. [2018-11-18 11:22:42,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-11-18 11:22:42,088 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:42,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:42,128 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2018-11-18 11:22:42,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:42,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1634 states to 1419 states and 1634 transitions. [2018-11-18 11:22:42,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 1634 transitions. [2018-11-18 11:22:42,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-11-18 11:22:42,240 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:42,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:43,064 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 312 proven. 61 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 11:22:45,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:45,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1729 states to 1498 states and 1729 transitions. [2018-11-18 11:22:45,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1498 states and 1729 transitions. [2018-11-18 11:22:45,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-11-18 11:22:45,805 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:45,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:46,050 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 312 proven. 61 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 11:22:46,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:46,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1733 states to 1502 states and 1733 transitions. [2018-11-18 11:22:46,347 INFO L276 IsEmpty]: Start isEmpty. Operand 1502 states and 1733 transitions. [2018-11-18 11:22:46,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-11-18 11:22:46,347 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:46,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:46,535 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 312 proven. 61 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 11:22:46,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:46,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1737 states to 1507 states and 1737 transitions. [2018-11-18 11:22:46,786 INFO L276 IsEmpty]: Start isEmpty. Operand 1507 states and 1737 transitions. [2018-11-18 11:22:46,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-11-18 11:22:46,787 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:46,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:46,974 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-18 11:22:47,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:47,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1794 states to 1560 states and 1794 transitions. [2018-11-18 11:22:47,852 INFO L276 IsEmpty]: Start isEmpty. Operand 1560 states and 1794 transitions. [2018-11-18 11:22:47,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-11-18 11:22:47,854 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:47,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:48,009 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 414 proven. 5 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-18 11:22:48,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:48,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 1593 states and 1832 transitions. [2018-11-18 11:22:48,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1593 states and 1832 transitions. [2018-11-18 11:22:48,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-11-18 11:22:48,490 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:48,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:48,570 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 414 proven. 5 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-18 11:22:48,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:48,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 1594 states and 1832 transitions. [2018-11-18 11:22:48,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1594 states and 1832 transitions. [2018-11-18 11:22:48,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-11-18 11:22:48,798 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:48,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:48,873 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 414 proven. 5 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-18 11:22:49,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:49,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 1595 states and 1832 transitions. [2018-11-18 11:22:49,098 INFO L276 IsEmpty]: Start isEmpty. Operand 1595 states and 1832 transitions. [2018-11-18 11:22:49,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2018-11-18 11:22:49,100 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:49,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:49,274 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 544 proven. 7 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2018-11-18 11:22:49,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:49,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1878 states to 1636 states and 1878 transitions. [2018-11-18 11:22:49,989 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 1878 transitions. [2018-11-18 11:22:49,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2018-11-18 11:22:49,991 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:22:50,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:50,166 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 544 proven. 7 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2018-11-18 11:22:50,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:22:50,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1674 states to 1463 states and 1674 transitions. [2018-11-18 11:22:50,323 INFO L276 IsEmpty]: Start isEmpty. Operand 1463 states and 1674 transitions. [2018-11-18 11:22:50,324 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:22:50,324 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 87 iterations. [2018-11-18 11:22:50,331 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 11:22:53,601 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 11:22:53,603 INFO L579 CodeCheckObserver]: Invariant with dag size 18 [2018-11-18 11:22:53,608 INFO L579 CodeCheckObserver]: Invariant with dag size 18 [2018-11-18 11:22:53,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 11:22:53 ImpRootNode [2018-11-18 11:22:53,608 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 11:22:53,609 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:22:53,609 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:22:53,609 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:22:53,609 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:22:04" (3/4) ... [2018-11-18 11:22:53,612 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:22:53,626 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 111 nodes and edges [2018-11-18 11:22:53,627 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-18 11:22:53,628 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-18 11:22:53,629 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 11:22:53,723 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_775086bc-b3c6-4ff1-b8c3-6216cc275488/bin-2019/ukojak/witness.graphml [2018-11-18 11:22:53,723 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:22:53,724 INFO L168 Benchmark]: Toolchain (without parser) took 51011.55 ms. Allocated memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: 1.5 GB). Free memory was 953.9 MB in the beginning and 1.2 GB in the end (delta: -261.9 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-11-18 11:22:53,725 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:22:53,725 INFO L168 Benchmark]: CACSL2BoogieTranslator took 359.96 ms. Allocated memory is still 1.0 GB. Free memory was 953.9 MB in the beginning and 919.0 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:22:53,726 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 919.0 MB in the beginning and 1.1 GB in the end (delta: -216.6 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:22:53,728 INFO L168 Benchmark]: Boogie Preprocessor took 40.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:22:53,728 INFO L168 Benchmark]: RCFGBuilder took 1332.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 890.8 MB in the end (delta: 239.3 MB). Peak memory consumption was 239.3 MB. Max. memory is 11.5 GB. [2018-11-18 11:22:53,728 INFO L168 Benchmark]: CodeCheck took 49062.42 ms. Allocated memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: 1.4 GB). Free memory was 890.8 MB in the beginning and 1.2 GB in the end (delta: -324.9 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-11-18 11:22:53,728 INFO L168 Benchmark]: Witness Printer took 114.65 ms. Allocated memory is still 2.6 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 61.1 kB). Peak memory consumption was 61.1 kB. Max. memory is 11.5 GB. [2018-11-18 11:22:53,730 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 228 locations, 1 error locations. SAFE Result, 45.7s OverallTime, 87 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1442842832 SDtfs, 769501760 SDslu, -905951616 SDs, 0 SdLazy, -1795090096 SolverSat, 1900590832 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 191.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 108493 GetRequests, 106846 SyntacticMatches, 985 SemanticMatches, 662 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 326659 ImplicationChecksByTransitivity, 35.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.2s InterpolantComputationTime, 16829 NumberOfCodeBlocks, 16829 NumberOfCodeBlocksAsserted, 86 NumberOfCheckSat, 16743 ConstructedInterpolants, 0 QuantifiedInterpolants, 8531756 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 86 InterpolantComputations, 70 PerfectInterpolantSequences, 17412/17692 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 523]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((a25 == 1 && !(a17 == 9)) || a28 == 10) || a17 == 8) || (!(a19 == 1) && a25 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((a17 == 8 || (a25 == 1 && !(a17 == 9))) || a28 == 10) || (!(a19 == 1) && a25 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 359.96 ms. Allocated memory is still 1.0 GB. Free memory was 953.9 MB in the beginning and 919.0 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 97.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 919.0 MB in the beginning and 1.1 GB in the end (delta: -216.6 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1332.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 890.8 MB in the end (delta: 239.3 MB). Peak memory consumption was 239.3 MB. Max. memory is 11.5 GB. * CodeCheck took 49062.42 ms. Allocated memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: 1.4 GB). Free memory was 890.8 MB in the beginning and 1.2 GB in the end (delta: -324.9 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. * Witness Printer took 114.65 ms. Allocated memory is still 2.6 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 61.1 kB). Peak memory consumption was 61.1 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...